answersLogoWhite

0


Best Answer

You can do an upper and lower bound by inscribing and circumscribing polygons. The more sides the polygon has, the more precise your answer will be. You inscribe a polygon by having the corners touch the circle's interior, and you circumscribe a polygon by having the midpoint of the sides touch the circle's exterior. Note that the polygon must by equilateral and equiangular for this method to be reasonably simple. Then simply find the area of the inscribed polygon - you know the circle is bigger than it, because the circle contains the polygon and has more space as well. Thus that number is your lower bound. Then find the area of the circumscribed polygon- same logic for the polygon being bigger than the circle. Area of circumscribed is your upper bound. Then typically average your upper and lower bound to get a reasonable estimate of the area of the circle. Of course, solving the problem algebraically is both simpler and more precise, but since you wanted a geometric answer, you got one.

User Avatar

Wiki User

17y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How can you find the area of a circle geometrically?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you find the area of a circle inside a square?

all you do is find the area of the circle... if you mean find the squares area, find the area of the circle, and then the square's area and subtract the squares area to the circles area


What geometrically defined figure has the same shape as a ring donut?

A circle.


How find the area of a square when a circle is inside?

You find the area of the whole square first. Then you find the area of the circle inside of it And then subtract the area of the circle from the area of the square and then you get the shaded area of the square


How do you find the area of a shaded circle and the area of an unshaded circle on that is inside the other circle?

To find the area of the circle pi*radius*squared and subtract the area of the figure inside


How do you find the area of a circle if the circle is 8cm?

Area of a circle = pi*radius2


How do you find the area of only .25 a circle?

Find the area of the circle and divide by 4.


How do you find area of a circle with another circle in it?

First find the area of the larger circle and then subtract the area of the smaller circle. Area=(pi x radiuslarger)-( pi x radiussmaller)


How do you directly find the area of a circle?

area of a circle = pi*r2


Formula to find the area of circle?

Area of a circle = pi*radius2


How do you find the area of 16 wide and 27 long that has a semi circle?

how do you find the area of a semi circle


When you know the radius of a circle how can you find the area?

Area of a circle = pi*radius2


How do you find the area of a square with a semi-circle?

You add the area of the square with the area of the semi circle.